28428700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9803}}^1$

素因数の和:9846

約数の個数: 36

約数和(自身を含む): 63824040

約数和(自身を除く): 35395340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 9803, 19606, 39212, 49015, 98030, 196060, 245075, 284287, 490150, 568574, 980300, 1137148, 1421435, 2842870, 5685740, 7107175, 14214350, 28428700]

約数ペア:

[(1, 28428700), (2, 14214350), (4, 7107175), (5, 5685740), (10, 2842870), (20, 1421435), (25, 1137148), (29, 980300), (50, 568574), (58, 490150), (100, 284287), (116, 245075), (145, 196060), (290, 98030), (580, 49015), (725, 39212), (1450, 19606), (2900, 9803)]